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Lenz's law

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Lenz's law [ˈlɛntsɪz]
n
(Physics / General Physics) Physics the principle that the direction of the current induced in a circuit by a changing magnetic field is such that the magnetic field produced by this current will oppose the original field
[named after H. F. E. Lenz (1804-65), German physicist]
Lenz's law  (lntsz)
A principle stating that an electric current, induced by a source such as a changing magnetic field, always creates a counterforce opposing the force inducing it. This law explains such phenomena as diamagnetism and the electrical properties of inductors. The law is named after its discoverer, German physicist Heinrich Lenz (1804-1865).
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When turbines are generating they supply power to the electricity grid enabling conventional power stations (with significant fossil fuel use) to burn less fuel -the simplified reason for this is that the generators are easier to turn because of the extra help (technically this is Lenz's Law to physicists).
Your Letters: Wind power help by Daily Post (Liverpool, England)
 
 
 
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